/* =========================================================
   Marcelo Fabián Torres — sito portfolio
   ========================================================= */

:root {
  --color-bg: #faf7f2;
  --color-bg-alt: #f1ece3;
  --color-ink: #211f1c;
  --color-ink-soft: #55504a;
  --color-line: #ded6c8;
  --color-accent: #a3552f;
  --color-accent-dark: #7c3f22;
  --color-card-bg: #ffffff;
  --font-display: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --shadow-soft: 0 12px 32px rgba(33, 31, 28, 0.08);
  --shadow-lift: 0 20px 48px rgba(33, 31, 28, 0.16);
  --radius: 4px;
  --max-width: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.skip-anchor {
  position: absolute;
  top: 0;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
}

.btn {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  text-align: center;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover { background: var(--color-accent-dark); }
.btn-ghost {
  border-color: rgba(255,255,255,0.6);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255,255,255,0.12); }
.btn-block { width: 100%; border: none; font-size: 1rem; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(250, 247, 242, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-ink);
}
.logo span { color: var(--color-accent); }
.main-nav { display: flex; align-items: center; gap: 1.8rem; }
.main-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-ink-soft);
}
.main-nav a:hover { color: var(--color-ink); }
.nav-cta {
  background: var(--color-accent);
  color: #fff !important;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius);
}
.nav-cta:hover { background: var(--color-accent-dark); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--color-ink); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  filter: saturate(0.9);
  transform: scale(1.05);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,17,14,0.55) 0%, rgba(20,17,14,0.72) 60%, rgba(20,17,14,0.85) 100%);
}
.hero-content {
  position: relative;
  text-align: center;
  color: #fff;
  padding: 0 1.5rem;
  max-width: 780px;
}
.hero-content h1 {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  margin-bottom: 1.1rem;
}
.hero-tagline {
  font-size: 1.15rem;
  color: #ede6dc;
  max-width: 560px;
  margin: 0 auto 2.2rem;
}
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.scroll-cue {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: 1.4rem;
  animation: bob 2s infinite ease-in-out;
  opacity: 0.8;
}
@keyframes bob {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

/* ---------- Sections ---------- */
.section { padding: 6.5rem 1.5rem; }
.section-alt { background: var(--color-bg-alt); }
.section-inner { max-width: var(--max-width); margin: 0 auto; }
.section-inner-narrow { max-width: 760px; }
.section-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  color: var(--color-accent);
  font-weight: 600;
  margin: 0 0 0.6rem;
}
.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 1rem;
}
.section-lead {
  color: var(--color-ink-soft);
  max-width: 640px;
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}

/* ---------- Gallery filters ---------- */
.filters {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.filter-btn {
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--color-line);
  background: transparent;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--color-ink-soft);
  cursor: pointer;
  transition: all 0.15s ease;
}
.filter-btn:hover { border-color: var(--color-accent); color: var(--color-ink); }
.filter-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

/* ---------- Gallery grid ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}
.art-card {
  background: var(--color-card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
}
.art-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lift); }
.art-card-img-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  cursor: zoom-in;
  background: var(--color-bg-alt);
}
.art-card-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.art-card-img-wrap:hover img { transform: scale(1.06); }
.art-card-zoom-icon {
  position: absolute;
  bottom: 0.7rem; right: 0.7rem;
  background: rgba(255,255,255,0.92);
  color: var(--color-ink);
  width: 34px; height: 34px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.art-card-body { padding: 1.3rem 1.4rem 1.5rem; flex: 1; display: flex; flex-direction: column; }
.art-card-series {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 0.4rem;
}
.art-card-title {
  font-size: 1.35rem;
  margin-bottom: 0.25rem;
}
.art-card-meta {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  margin-bottom: 0.7rem;
}
.art-card-insp {
  font-size: 0.92rem;
  color: var(--color-ink-soft);
  font-style: italic;
  margin-bottom: 1.1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.art-card-cta {
  font-size: 0.85rem;
  padding: 0.65rem 1rem;
  text-align: center;
}

/* ---------- Biografia ---------- */
.bio-text p { font-size: 1.06rem; color: var(--color-ink-soft); margin: 0 0 1.2rem; }
.bio-closing { color: var(--color-ink); font-weight: 500; }
.bio-facts {
  margin-top: 2.5rem;
  padding-top: 2.2rem;
  border-top: 1px solid var(--color-line);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.bio-fact {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 1rem;
  font-size: 0.95rem;
}
.bio-fact-year {
  font-weight: 600;
  color: var(--color-accent);
}

/* ---------- Contatti ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 2.5rem;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 1rem; }
.contact-card {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1.3rem 1.4rem;
  background: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  transition: border-color 0.15s ease;
}
.contact-card:hover { border-color: var(--color-accent); }
.contact-card-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-ink-soft);
}
.contact-card-value { font-weight: 500; }

.contact-form {
  background: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 1.8rem;
}
.form-row { margin-bottom: 1.1rem; display: flex; flex-direction: column; gap: 0.4rem; }
.form-row label { font-size: 0.85rem; font-weight: 500; }
.form-row input, .form-row textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-bg);
  resize: vertical;
}
.form-row input:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.form-note { font-size: 0.78rem; color: var(--color-ink-soft); margin: 0.8rem 0 0; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-ink);
  color: #cfc9c0;
  padding: 2rem 1.5rem;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}
.footer-inner a:hover { color: #fff; }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(15, 13, 11, 0.96);
  z-index: 1000;
  display: none;
  flex-direction: column;
}
.lightbox.open { display: flex; }
.lightbox-close {
  position: absolute;
  top: 1.2rem; right: 1.4rem;
  background: rgba(255,255,255,0.1);
  color: #fff;
  border: none;
  width: 42px; height: 42px;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  z-index: 5;
}
.lightbox-close:hover { background: rgba(255,255,255,0.2); }
.lightbox-zoom-hint {
  position: absolute;
  top: 1.4rem; left: 50%;
  transform: translateX(-50%);
  color: #d8d2c8;
  font-size: 0.82rem;
  background: rgba(255,255,255,0.08);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  pointer-events: none;
}
.lightbox-stage {
  flex: 1;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  touch-action: none;
}
.lightbox-stage.dragging { cursor: grabbing; }
.lightbox-stage img {
  max-width: 92vw;
  max-height: 62vh;
  user-select: none;
  -webkit-user-drag: none;
  user-drag: none;
  transform-origin: center center;
  transition: transform 0.06s linear;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.lightbox-controls {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding-top: 0.6rem;
  flex: none;
  z-index: 5;
}
.lightbox-controls button {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.12);
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
}
.lightbox-controls button:hover { background: rgba(255,255,255,0.24); }
.lightbox-info {
  text-align: center;
  color: #fff;
  padding: 1.4rem 1.5rem 2rem;
}
.lightbox-info h3 { font-size: 1.5rem; margin-bottom: 0.3rem; }
.lightbox-info p { margin: 0.15rem 0; color: #cfc9c0; font-size: 0.9rem; }
.lightbox-info #lightboxInsp { font-style: italic; margin-bottom: 0.9rem; }
.lightbox-info .btn { margin-top: 0.4rem; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .main-nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-line);
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.5rem 1.5rem;
    gap: 1rem;
    display: none;
  }
  .main-nav.open { display: flex; }
  .nav-cta { width: 100%; text-align: center; }
  .nav-toggle { display: flex; }
  .bio-fact { grid-template-columns: 1fr; gap: 0.2rem; }
}